1 ; Copyright (C) 2004, 2007, 2013 Internet Systems Consortium, Inc. ("ISC")
2 ; Copyright (C) 2000, 2001 Internet Software Consortium.
4 ; Permission to use, copy, modify, and/or distribute this software for any
5 ; purpose with or without fee is hereby granted, provided that the above
6 ; copyright notice and this permission notice appear in all copies.
8 ; THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 ; REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 ; AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 ; INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 ; LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 ; OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 ; PERFORMANCE OF THIS SOFTWARE.
19 20 ; refresh (20 seconds)
20 20 ; retry (20 seconds)
21 1814400 ; expire (3 weeks)
22 3600 ; minimum (1 hour)